He _____the problem _____in his mind for a whole week before he did anything about it.
| A．switched; on | B．kicked; up | C．turned; over | D．took; on |
39. He is _____ with anger. I don’t know what’s the reason.
| A．boiled | B．boiling | C．to boil | D．Boil |
38. --- What are you going to do tomorrow?
--- I will go _____ with my friends on the lake.
| A．hunting | B．shopping | C．shipping | D．Boating |
37. He blew 10 dollars on a dinner. The underlined word probably means _____.
| A．obtained | B．spent | C．was fined | D．was robbed |
36. The entrance is _____ with such heavy stones as two or three big men can’t move.
| A．put | B．stopped | C．blocked | D．Closed |
35. The poor old man _____ blind when he was very young.
| A．went | B．got | C．made | D．Kept |